Parker, Arizona Cotton Heat Stress for 2021 DOY = Day of year ns = No Stress : Stress Value less than 82.4 L1 = Stress Level 1 : Stress Value from 82.4 to 86 L2 = Stress Level 2 : Stress Value greater than 86 DOY Date Stress --- ------ --------- 121 May 1 69.3 ns 122 May 2 69.0 ns 123 May 3 71.6 ns 124 May 4 67.7 ns 125 May 5 69.6 ns 126 May 6 69.9 ns 127 May 7 69.6 ns 128 May 8 70.5 ns 129 May 9 70.3 ns 130 May 10 69.9 ns 131 May 11 69.8 ns 132 May 12 71.1 ns 133 May 13 71.5 ns 134 May 14 71.2 ns 135 May 15 71.3 ns 136 May 16 67.3 ns 137 May 17 68.7 ns 138 May 18 74.5 ns 139 May 19 75.2 ns 140 May 20 71.0 ns 141 May 21 64.3 ns 142 May 22 60.9 ns 143 May 23 64.8 ns 144 May 24 66.9 ns 145 May 25 70.0 ns 146 May 26 73.3 ns 147 May 27 70.9 ns 148 May 28 71.8 ns 149 May 29 72.3 ns 150 May 30 73.4 ns 151 May 31 74.9 ns 152 Jun 1 75.1 ns 153 Jun 2 77.1 ns 154 Jun 3 80.0 ns 155 Jun 4 78.3 ns 156 Jun 5 78.2 ns 157 Jun 6 77.8 ns 158 Jun 7 77.1 ns 159 Jun 8 72.8 ns 160 Jun 9 74.3 ns 161 Jun 10 73.8 ns 162 Jun 11 74.1 ns 163 Jun 12 73.7 ns 164 Jun 13 75.8 ns 165 Jun 14 78.6 ns 166 Jun 15 83.2 L1 167 Jun 16 84.2 L1 168 Jun 17 84.9 L1 169 Jun 18 86.3 L2 170 Jun 19 86.3 L2 171 Jun 20 86.1 L2 172 Jun 21 84.5 L1 173 Jun 22 81.9 ns 174 Jun 23 81.8 ns 175 Jun 24 80.8 ns 176 Jun 25 81.2 ns 177 Jun 26 80.0 ns 178 Jun 27 83.5 L1 179 Jun 28 85.8 L1 180 Jun 29 86.8 L2 181 Jun 30 84.8 L1 182 Jul 1 85.1 L1 183 Jul 2 85.0 L1 184 Jul 3 85.7 L1 185 Jul 4 85.7 L1 186 Jul 5 85.3 L1 187 Jul 6 82.4 ns 188 Jul 7 85.3 L1 189 Jul 8 88.9 L2 190 Jul 9 90.0 L2 191 Jul 10 91.2 L2 192 Jul 11 89.8 L2 193 Jul 12 88.1 L2 194 Jul 13 86.7 L2 195 Jul 14 87.9 L2 196 Jul 15 87.9 L2 197 Jul 16 86.3 L2 198 Jul 17 85.9 L1 199 Jul 18 87.4 L2 200 Jul 19 88.5 L2 201 Jul 20 89.1 L2 202 Jul 21 88.9 L2 203 Jul 22 88.9 L2 204 Jul 23 87.3 L2 205 Jul 24 82.9 L1 206 Jul 25 82.7 L1 207 Jul 26 83.3 L1 208 Jul 27 84.9 L1 209 Jul 28 86.5 L2 210 Jul 29 85.9 L1 211 Jul 30 85.1 L1 212 Jul 31 84.0 L1 213 Aug 1 85.0 L1 214 Aug 2 85.1 L1 215 Aug 3 86.6 L2 216 Aug 4 86.9 L2 217 Aug 5 90.5 L2 218 Aug 6 89.8 L2 219 Aug 7 85.8 L1 220 Aug 8 88.0 L2 221 Aug 9 87.5 L2 222 Aug 10 86.3 L2 223 Aug 11 82.7 L1 224 Aug 12 84.2 L1 225 Aug 13 85.4 L1 226 Aug 14 84.0 L1 227 Aug 15 86.1 L2 228 Aug 16 87.1 L2 229 Aug 17 87.3 L2 230 Aug 18 85.5 L1 231 Aug 19 78.8 ns 232 Aug 20 78.9 ns 233 Aug 21 80.1 ns 234 Aug 22 74.9 ns 235 Aug 23 75.6 ns 236 Aug 24 78.5 ns 237 Aug 25 81.6 ns 238 Aug 26 84.1 L1 239 Aug 27 84.6 L1 240 Aug 28 85.1 L1 241 Aug 29 87.2 L2 242 Aug 30 83.7 L1 243 Aug 31 78.9 ns 244 Sep 1 79.0 ns 245 Sep 2 80.5 ns 246 Sep 3 79.3 ns 247 Sep 4 78.6 ns 248 Sep 5 78.7 ns 249 Sep 6 85.9 L1 250 Sep 7 85.0 L1 251 Sep 8 85.3 L1 252 Sep 9 85.3 L1 253 Sep 10 85.6 L1 254 Sep 11 84.4 L1 255 Sep 12 84.0 L1 256 Sep 13 83.0 L1 257 Sep 14 79.3 ns 258 Sep 15 76.4 ns 257 Sep 14 79.3 ns 258 Sep 15 76.4 ns 259 Sep 16 74.8 ns 260 Sep 17 76.2 ns 261 Sep 18 78.8 ns 262 Sep 19 74.5 ns 263 Sep 20 74.4 ns 264 Sep 21 72.7 ns 265 Sep 22 72.3 ns 266 Sep 23 72.9 ns 267 Sep 24 75.8 ns 268 Sep 25 75.1 ns 269 Sep 26 74.2 ns 270 Sep 27 75.6 ns 271 Sep 28 75.8 ns 272 Sep 29 70.2 ns 273 Sep 30 69.1 ns 274 Oct 1 64.6 ns 275 Oct 2 66.4 ns 276 Oct 3 68.8 ns 277 Oct 4 70.6 ns 278 Oct 5 68.9 ns 279 Oct 6 69.2 ns 280 Oct 7 72.9 ns 281 Oct 8 70.2 ns 282 Oct 9 67.3 ns 283 Oct 10 67.0 ns 284 Oct 11 60.3 ns 285 Oct 12 55.6 ns 286 Oct 13 53.7 ns 287 Oct 14 56.7 ns 288 Oct 15 58.3 ns 289 Oct 16 59.1 ns 290 Oct 17 59.9 ns 291 Oct 18 62.1 ns 292 Oct 19 58.8 ns 293 Oct 20 57.8 ns 294 Oct 21 59.4 ns 295 Oct 22 59.5 ns 296 Oct 23 62.2 ns 297 Oct 24 63.3 ns 298 Oct 25 65.0 ns 299 Oct 26 60.6 ns 300 Oct 27 63.6 ns 301 Oct 28 63.9 ns 302 Oct 29 62.2 ns 303 Oct 30 61.6 ns 304 Oct 31 64.1 ns 305 Nov 1 62.9 ns